for t"the situation room"withwolfblitzer. >>>happening now, new questions about the sex scandal that toppled the cia director. why did a republican congressman now about it before the white house? >>> also, new information about the woman at the center of the storm. her past makes the present all the more shocking. >>> plus, a crack, a serious crack in republican opposition to raising tax rates on the rich. a leading conservative now seems to be opening the door. i'm wolf blitzer. you're in "the situation room." >>> intriguing new twists and turns in the scandal that's gripping washington, indeed the nation and much of the world. the affair that led general dividend petraeus to resign as director of the central intelligence agency. we're finding out that at least one lawmaker here in washington may have learned of it ahead of the president and there are questions about the investigation that led to petraeus' stunning downfall. brian todd's been working the story for us and getting new information. brian, tell our viewers what's the latest? >> we found out that the house majority